Interstellar Comet 3I/ATLAS: NASA Confirms Natural Visitor as UN Turns It into a Planetary‑Defense Drill
As of 1 December 2025, interstellar comet 3I/ATLAS is racing back out of the inner solar system, sparking a rare combination of hard science, UN‑level planetary‑defense drills and loud public debate over whether this icy visitor is “just” a comet or something more exotic. In the last few days, NASA has formally reiterated that 3I/ATLAS is a natural comet with no alien technosignatures, even as new multi‑spacecraft images and chemical data show it is one of the strangest objects ever observed.Space+2BizzBuzz+2 At the same time, the United Nations and the International Asteroid Warning Network (IAWN) have officially selected 3I/ATLAS as the centerpiece of a months‑long planetary‑defense exercise, while stressing